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<div class="title">match.h</div>  </div>
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<a href="match_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#ifndef MATCH</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#define MATCH</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include&lt;vector&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_introduction_to_algorithm.html">IntroductionToAlgorithm</a> {</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;    <span class="keyword">namespace </span>StringMatchingAlgorithm{</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> IteratorT,<span class="keyword">typename</span> IteratorP&gt;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="namespace_introduction_to_algorithm_1_1_string_matching_algorithm.html#a29321686220ba69d91c4ecb2df67fe79">   47</a></span>&#160;        std::vector&lt;int&gt; <a class="code" href="namespace_introduction_to_algorithm_1_1_string_matching_algorithm.html#a29321686220ba69d91c4ecb2df67fe79">match</a>(<span class="keyword">const</span> IteratorT iterT_begin,<span class="keyword">const</span> IteratorT iterT_end,</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;              <span class="keyword">const</span> IteratorP iterP_begin,<span class="keyword">const</span> IteratorP iterP_end)</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits&lt;IteratorT&gt;::value_type T1;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits&lt;IteratorP&gt;::value_type T2;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            static_assert(std::is_same&lt;T1, T2&gt;::value,<span class="stringliteral">&quot;match error:sequence T and P must contain same type value!&quot;</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            <span class="keyword">auto</span> lenT=std::distance(iterT_begin,iterT_end);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            <span class="keyword">auto</span> lenP=std::distance(iterP_begin,iterP_end);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keywordflow">if</span>(lenT&lt;0)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">&quot;match error:iterT_begin must &lt;= iterT_end&quot;</span>);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            <span class="keywordflow">if</span>(lenP&lt;0)</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;                <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">&quot;match error:iterP_begin must &lt;= iterP_end&quot;</span>);</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            std::vector&lt;int&gt; result;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;=lenT-lenP;i++)</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;            {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                <span class="keywordtype">bool</span> matched=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j=0;j&lt;lenP;j++)</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                    <span class="keywordflow">if</span>(*(iterT_begin+i+j)!=*(iterP_begin+j))</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                    {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                        matched=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                    }</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                }</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                <span class="keywordflow">if</span>(matched)</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;                    result.push_back(i);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        }</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;}</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#endif // MATCH</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="ttc" id="namespace_introduction_to_algorithm_1_1_string_matching_algorithm_html_a29321686220ba69d91c4ecb2df67fe79"><div class="ttname"><a href="namespace_introduction_to_algorithm_1_1_string_matching_algorithm.html#a29321686220ba69d91c4ecb2df67fe79">IntroductionToAlgorithm::StringMatchingAlgorithm::match</a></div><div class="ttdeci">std::vector&lt; int &gt; match(const IteratorT iterT_begin, const IteratorT iterT_end, const IteratorP iterP_begin, const IteratorP iterP_end)</div><div class="ttdoc">match： 朴素字符串匹配算法，算法导论第32章,32.1节 </div><div class="ttdef"><b>Definition:</b> <a href="match_8h_source.html#l00047">match.h:47</a></div></div>
<div class="ttc" id="namespace_introduction_to_algorithm_html"><div class="ttname"><a href="namespace_introduction_to_algorithm.html">IntroductionToAlgorithm</a></div><div class="ttdoc">Namespace of IntrodunctionToAlgorithm. </div><div class="ttdef"><b>Definition:</b> <a href="longest__common__subsequence_8h_source.html#l00024">longest_common_subsequence.h:24</a></div></div>
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